/Engine/Source/Developer/CollectionManager/Public/ICollectionManager.h
Removes a collection to the asset registry. A .collection file will be deleted from disk.
true if the remove was successful
bool DestroyCollection ( [FName](API\Runtime\Core\UObject\FName) CollectionName, [ECollectionShareType::Type](API\Developer\CollectionManager\ECollectionShareType\Type) ShareType )